The decision, finalized by federal Minister of the Environment, Climate Change and Nature Julie Dabrusin on May 22, 2026, mandates that British Columbia’s Environmental Assessment Office will conduct the review under the province's Environmental Assessment Act. The move is designed to eliminate regulatory duplication while upholding strict federal and provincial standards for environmental protection and Indigenous consultation.

Dr. Ewan Webster, President and CEO of Thesis Gold & Silver, noted that the substitution provides necessary clarity as the company moves toward an environmental assessment decision, now anticipated in early 2029. By aligning provincial oversight with federal requirements, the company expects to reduce administrative burdens and shorten the overall permitting cycle for the Toodoggone Mining District site.